Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 10 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/21/2022   10:36:25   (   0.16,-128.45) (   0.64,-130.72)  258.89                80
 10/22/2022   10:20:38   (   0.17,-128.45) (  -0.33,-126.25)  250.64                80
 10/23/2022   22:40:23   (  -0.14,-128.38) (  -0.87,-131.65)  372.93                80
 10/24/2022   22:24:36   (  -0.16,-128.38) (   0.11,-127.18)  136.60                80
 10/26/2022   10:44:13   (   0.13,-128.46) (   1.06,-132.56)  467.34                80
 10/27/2022   10:28:27   (   0.15,-128.46) (   0.08,-128.09)   41.44                80
 10/29/2022   22:29:45   (  -0.13,-128.36) (  -0.29,-129.02)   75.95                80
 10/30/2022   22:13:58   (  -0.14,-128.35) (   0.69,-124.55)  432.22                80
 11/01/2022   10:33:36   (   0.11,-128.41) (   0.47,-129.93)  173.29                80
 11/02/2022   10:17:49   (   0.12,-128.40) (  -0.52,-125.46)  334.58                80
 11/03/2022   22:37:33   (  -0.09,-128.30) (  -0.67,-130.86)  292.15                80